They're still using dilitium Duras, it's the gas that has changed in the combustion tubes. (See my previous post regarding flametests). They've just changed the formula from Arsenic to Potassium chloride.

-avery

Yes, I read your post and found it informative. I do understand why its purple, but why purple.!
I hope that other factions use a different matrix construction. What would produce a rich, deep red, thefreshjedi.